ACS71240

ACS71240 Automotive-Grade, Galvanically Isolated Current Sensor IC with Common-Mode Field Rejection and Overcurrent Detection in Small Footprint Low-Profile Packages FEATURES AND BENEFITS AEC-Q100 automotive qualified Differential Hall sensing rejects common-mode fields Integrated shield virtually eliminates capacitive coupling from current conductor to die, greatly suppressing output noise due to high dv/dt transients Industry-leading noise performance with greatly improved bandwidth through proprietary amplifier and filter design techniques High bandwidth 120 kHz analog output for faster response times in control applications Patented integrated digital temperature compensation circuitry allows for near closed-loop accuracy over temperature in an open-loop sensor Single supply operation with nonratiometric output at 3.3 and 5 V options Overcurrent FAULT available between 50% and 200% IP with 1.5 µs (typ) response time Nonratiometric output provides immunity to noisy supplies Small footprint QFN-12 with wettable flank and SOIC-8 suitable for space-constrained automotive applications 0.6 mΩ (QFN-12) or 1.2 mΩ (SOIC-8) primary conductor resistance for low power loss and high inrush current withstand capability UL certified package (SOIC-8 only) for voltage isolation PACKAGES: 12-contact QFN with wettable flank 8-pin SOIC 3 mm × 3 mm × 0.75 mm with internally fused path (EXB package) Not to scale (LCB package) DESCRIPTION The Allegro™ ACS71240 cu...